package projeact;

public class circle {
         int r;
         public circle(int r){
        	 this.r=r;
         }
         public double s() {
        	 double ss=0.0;
        	 ss=3.14*r*r;
        	 return ss;
         }
         public double c() {
        	 double cc=0.0;
        	 cc=6.28*r;
        	 return cc;
         }
}
